package thread;

public class Demo7_wait_notify {
    public static void main(String[] args) {
        Object locker1 = new Object();
        Object locker2 = new Object();
        Object locker3 = new Object();
        Thread t1 = new Thread(()->{
            for(int i = 0; i < 10; ++i){
                synchronized (locker1){
                    try {
                        locker1.wait();
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }
                }
                System.out.print("A");
                synchronized (locker2){
                    locker2.notify();
                }
            }
        });
        Thread t2 = new Thread(()->{
            for(int i = 0; i < 10; ++i){
                synchronized (locker2) {
                    try {
                        locker2.wait();
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }
                }
                System.out.print("B");
                synchronized (locker3){
                    locker3.notify();
                }
            }
        });
        Thread t3 = new Thread(()->{
            for(int i = 0; i < 10; ++i){
                synchronized (locker3){
                    try {
                        locker3.wait();
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }
                }
                System.out.println("C");
                synchronized (locker1){
                    locker1.notify();
                }
            }
        });
        t1.start();
        t2.start();
        t3.start();
        synchronized (locker1){
            locker1.notify();
        }

    }
}
